It was time for me to stop being a whiny lazy developer, and instead properly learn to develop Firefox extensions. So. the result is version 0.8 of Obtrusive JavaScript Checker, as a very much improved Firefox extension.

Firefox extension

The new Obtrusive JavaScript Checker Firefox extension has been developed from scratch, and as opposed to before, it is now disabled by default, meaning no more auto-run. You have four different ways to call it yourself and run an analysis of the current web page:

Statusbar icon

You now have a small statusbar icon which basically lets you toggle the Obtrusive JavaScript Checker: click it to run, and click it again to hide the results.